CVE-2021-38263 Liferay Portal and Liferay DXP cross-site scripting (XSS) vulnerability via the script console

Medium 6.1 Published Updated

Remote attackers can inject arbitrary web script or HTML via the Server module's script console output in Liferay Portal.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2021-38263?

CVE-2021-38263 is a medium-severity cross-site scripting vulnerability in Liferay Digital Experience Platform, published on 2 Mar 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Cross-site scripting (XSS) vulnerability in the Server module's script console in Liferay Portal 7.3.2 and earlier, and Liferay DXP 7.0 before fix pack 101, 7.1 before fix pack 20 and 7.2 before fix pack 10 allows remote attackers to inject arbitrary web script or HTML via the output of a script.

Weakness: CWE-79

Which versions are affected by CVE-2021-38263?

5 open source packages ship an affected version, including com.liferay.portal:release.dxp.bom, liferay and com.liferay:com.liferay.server.admin.web. It affects 2 products.

PackageAffectedFixed in
com.liferay.portal:release.dxp.bom MavenAll versions to 7.0None
com.liferay.portal:release.dxp.bom MavenAll versions to 7.0None
liferay BitnamiFrom 7.0.0 to 7.0.0None
com.liferay:com.liferay.server.admin.web MavenAll versions4.0.12
com.liferay:com.liferay.server.admin.web MavenAll versions4.0.12

Products include Liferay Digital Experience Platform, Liferay Liferay Portal.

How do I fix CVE-2021-38263?

Apply the vendor's patch.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2021-38263 being exploited?

There is no known exploitation of CVE-2021-38263 in the wild and no public exploit code.

All Liferay Digital Experience Platform vulnerabilities

Sources

Also known as BIT-liferay-2021-38263, GHSA-ffmm-5ww2-g3q4.

Is CVE-2021-38263 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free